Philips MC-M570/21 Service Manual page 52

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2100 A10
2106 B11
2113 D8
2118 F10
2124 F10
2101 A11
2108 A5
2114 D9
2119 F2
2125 E1
2102 A9
2110 D8
2115 E13
2120 D1
2126 F7
2103 A9
2111 C3
2116 E11
2121 D4
2128 G10
2104 A2
2112 D10
2117 E13
2122 C10
2130 G10
1
2
4
COMBI BOARD
A
P
L
C
MPLIFIER
ART
EFT
HANNEL
3108
4.2V
3
+5V_AMP
4K7
A
0V
9272
3100
7130
2
AMP_OFF
BC847BW
10K
AMP ON = H = 4V
0.7V
AMP OFF = L = 0V
0V
B
3147
0.5V
10K
4K7
BC856B
0V
7129
3102
-44.4V
-44.8V
7131
BC846B
C
-45V
GND_SHIELD
D
MODULATOR
+5V_AMP
3
C
4.2V
7122-A
14
E
3139
2.1V
3140
1
2
A
3
LNF
470R
1K2
1.9V
7
2.1V
B
2119
4n7
F
G
1
2
for wave forms see chapter 11-4 Service Hints
11-11
2132 C4
3100 A2
3107 D7
3115 E5
3122 C4
3129 F10
2134 E13
3101 B10
3108 A2
3117 B6
3125 F3
3130 F10
3126 A1
3133 D7
2135 F3
3102 B2
3109 B9
3119 D8
2136 F10
3103 B10
3110 B5
3120 C3
3127 C2
3134 D6
2137 B7
3106 B11
3114 A5
3121 C3
3128 E12
3135 E9
3
4
5
AMP_D
5
7122-E
7122-F
3114
10
11
12
13
E
F
SC_L
0V
4.2V
0V
4K7
4
7122 = 74HCU04D
Amplifier ON-OFF Switch
7115
+VL
-25V
BC817-25
-37.5V
-36.8V
22K
6.3V = supply for 7118
3122
-VL
--43.8V
3
-VL2
-45V
Supply Low-Side Driver
D
E
F
7122-B
7122-D
7122-C
1K0
3
4
5
6
9
8
B
C
D
0.4V
2.1V
3143
2.1V
BC856B
7128
0V
7122 = 74HCU04D
2135
1
-40.7V
G
1
470p
7118-A
LOZ
3
-VL
3
4
5
3136 E11
3142 F7
3148 F2
3154 B7
5101 D11
3137 E12
3143 E5
3149 F2
3155 E11
5102 D12
3139 E2
3144 F2
3151 C9
4101 E12
5103 F10
3140 E3
3146 F5
3152 C9
4102 E12
6106 D8
3141 C10
3147 B1
3153 D9
5100 A10
6108 C4
6
7
8
Driver Stage + Levelshifter
+V1L
6.3V
14
+V1L
9
8
7105-D
2137
7105 = 74LV14
33p
6109
5
6
7105-C
BAS316
13
12
3154
11
10
G
2
1K0
7105-F
7105-E
3
4
46.2V
7105-B
-37.5V
1
2
7105-A
7
-V1L
BC817-25
7114
+V1L
3119
8V
22K
6.3V = supply for 7105
MBTA42
20V
7119
2113
3134
1u0
6114
330R
BAV99
3
1
1.2V
-V1L
+VL
14
9
8
7118-D
11
10
7118-E
3142
2
3
4
5
6
7118-B
1K2
7118-C
6111
13
12
7118-F
BAS316
-37.6V
7
-VL
-43.8V
7118 = 74LV14
-VL
6
7
8
11-11
6109 B7
7104 B11
7105-E B7
7114 C8
7118-C F7
7121 E10
6110 D10
7105-A C8
7105-F B6
7115 C4
7118-D E8
7122-A E2
6111 F7
7105-B B8
7109 B10
7117 F11
7118-E F8
7122-B E3
6113 D4
7105-C B8
7111 C9
7118-A F5
7118-F F8
7122-C E3
6114 E8
7105-D B8
7113 E9
7118-B F6
7119 D7
7122-D E4
9
10
11
+AMP_L
5100
2101
Power Stage
BEAD 100MHz
100n
2100
100n
BC856B
7104
H
3103
2
1K0
7109
3109
STP14NF12FP
45V
4R7
2.5V
7111
BC807-25
2122
220p
3152
2K2
3153
2K2
3
I
Supply
High-Side Driver
2
0V
DC
45V
H
1
-45V
7121
3135
STP14NF12FP
4R7
-45V
7113
MBTA42
BC807-25
7117
-VL2
3129
1K0
2136
100n
330u
2124
-45V
-AMP
1
9
10
11
7122-E A4
7131 C2
7122-F A5
9201 D12
7128 E5
9202 E12
7129 B2
9272 A1
7130 A3
12
13
A
SC_L
4
B
C
D
J
K
Output Filter
9201
LS_L
5101
5102
5
30uH
2
1
3
4
HF2024
4101
5
E
9202
LS_L_neg
4102
F
G
Power2003 100W Class D Combi-Amplifier Part left channel 2003 02 10
12
13

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